3.

How can we recognise if a number is divisible by 8? 

[ ] 
A number is divisible by 8 if it is a square number 
[ ] 
A number is divisible by 8 if it ends in 2 or 4 
[ ] 
A number is divisible by 8 if the last two digits are divisible by 8 
[ ] 
A number is divisible by 8 if the last three digits are divisible by 8 


4.

How can we recognise if a number is divisible by 9? 

[ ] 
A number is divisible by 9 if it is an odd number 
[ ] 
A number is divisible by 9 if the sum of its digits is divisible by 9 
[ ] 
A number is divisible by 9 if the last two digits are divisible by 4 
[ ] 
A number is divisible by 9 if the sum of its digits total 3 


5.

How can we recognise if a number is divisible by 25? 

[ ] 
A number is divisible by 25 if it ends in 00, 25, 50 or 75 
[ ] 
A number is divisible by 25 if it is divisible by 8 
[ ] 
A number is divisible by 25 if the last two digits are divisible by 8 
[ ] 
A number is divisible by 25 if it is odd and divisible by 3 


6.

What is 15 squared? 

[ ] 
150 
[ ] 
175 
[ ] 
225 
[ ] 
250 


7.

Which is the smallest common factor of 6 and 15? 



8.

Which are the factors of 24? 

[ ] 
1, 2, 3, 4, 6, 8, 12, 24 
[ ] 
2, 3, 4, 6, 8, 12 
[ ] 
1, 2, 3, 4, 5, 8, 12, 24 
[ ] 
1, 2, 4, 6, 12, 24 


9.

What is a prime number? 

[ ] 
A number that is only divisible by 1 and itself 
[ ] 
A number that cannot be squared 
[ ] 
A whole number that divides into another whole number 
[ ] 
An odd number that is divisible by 3 


10.

What is the next prime number after 7? 

[ ] 
9 
[ ] 
11 
[ ] 
13 
[ ] 
27 

